[Elecraft] OK, odd question

Roger D Johnson n1rj at roadrunner.com
Wed Feb 14 11:23:08 EST 2018


IIRC there was no "standard". It was an arbitrary choice by the manufacturer
which side of the filter they put the BFO crystal frequency. Nice to have a
choice with the K3!

73, Roger


On 2/14/2018 11:15 AM, Chuck Chandler wrote:
> Something that bugs me just a tiny wee bit.
> 
>   
> 
> So, for years I used a Kenwood or two, then a Yaesu or three, then a
> Ten-Tec.  Much of the time on CW.  When I tuned a band, say 20M, I would
> start at the bottom of the band and tune upwards in frequency.  When I did
> this, as I approached a CW signal it would be higher-pitched.  As I tuned it
> to zero-beat with my 500-Hz CW offset the pitch would drop until it matched
> my 500 Hz spot.  If I tuned too far, the pitch would drop below 500, then
> drop off the scale as I tuned past it.  Similar in fashion to tuning a USB
> signal.
> 
>   
> 
> My Elecraft tunes similar to one other rig I have owned, an iCom 706 MkIIG.
> As I tune up the band I first hear a low-pitched CW signal, then it centers,
> then it gets higher in pitch.  Similar to tuning an LSB signal.
> 
>   
> 
> This doesn't make a difference in usability, I guess it's due to the
> receiver architecture.  And, yeah, I can go to "CW-R" and it works the way
> all those other radios did.
> 
>   
> 
> My question is, is there a reason for it working this way?  Does it provide
> some advantage?  Or is it just the way it happened. like, not enough room
> towards the edge of the napkin when it was drawn up?
> 
>   
> 
> Curious.
> 
>   
> 
> 73 de Chuck, WS1L
> 
>   
> 
> Chuck Chandler
> 
> chandlerusm at gmail.com
> 
>   
> 
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